Re: pdftk encryption function

owner_pw where we were expecting an input PDF filename, operation (e.g. "cat") or "input_pw"

Just checked the page of my local pdftk: Seems like above message wants to tell you that "owner_pw" is neither a pdf-filename nor an operation nor "input_pw". ("input_pw" obviously is special)

Try adding a command, e.g. simply "cat"

$doc->call_pdftk('apps.pdf', 'test.pdf', 'cat', 'owner_pw','abc12345');

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Re^2: pdftk encryption function by sumalatha (Novice) on Sep 23, 2014 at 04:56 UTC
passed a cat as argument before owner_pw, getting error as below Error: expecting page ranges. Instead, I got: owner_pw Errors encountered. No output created. Done. Input errors, so no output created. pdftk apps.pdf cat owner_pw 12345 test.pdf failed: 256 at /usr/lib/perl5/site_perl/5.10.0/PDF/Tk.pm line 73.	[reply]
Re^3: pdftk encryption function by sumalatha (Novice) on Sep 23, 2014 at 04:59 UTC
please let me know are there are any other modules/ ways to perform pdf file encryption and decryption functions please help me , its of urgent for my final year project	[reply]